@@ -27,6 +27,9 @@ Inline if else - if executed - failing
 Inline if else - else executed - failing
     Check Test Case    ${TESTNAME}
 
+Assignment inside inline if
+    Check Test Case    ${TESTNAME}
+
 Inline if inside for loop
     Check Test Case    ${TESTNAME}
 
 
@@ -28,6 +28,10 @@ Inline if else - else executed - failing
     [Documentation]    FAIL expected
     IF    0 > 1    Log    unexpected    ELSE    Fail    expected
 
+Assignment inside inline if
+    IF    True    ${num}=   Convert to number    12
+    Variable Should Exist    $num
+
 Inline if inside for loop
     [Documentation]    FAIL The end
     FOR    ${i}    IN    1    2    3
 
@@ -245,25 +245,26 @@ def lexer_classes(self):
                 KeywordCallLexer)
 
     def input(self, statement):
-        for part in self._get_statements(statement):
+        for part in self.split_statements(statement):
             super().input(part)
         return self
 
-    def _get_statements(self, statement):
+    @staticmethod
+    def split_statements(statement):
         current_statement = []
-        expects_arg = False
+        expect_arg = False
         for token in statement:
-            if expects_arg:
+            if expect_arg:
                 current_statement.append(token)
                 yield current_statement
                 current_statement = []
-                expects_arg = False
+                expect_arg = False
             elif token.value in ('IF', 'ELSE IF'):
                 if current_statement:
                     yield current_statement
                     current_statement = []
                 current_statement.append(token)
-                expects_arg = True
+                expect_arg = True
             elif token.value == 'ELSE':
                 yield current_statement
                 current_statement = []
 
@@ -18,7 +18,7 @@
 from robot.errors import DataError
 from robot.utils import get_error_message, FileReader
 
-from .blocklexers import FileLexer
+from .blocklexers import FileLexer, InlineIfLexer
 from .context import InitFileContext, TestCaseFileContext, ResourceFileContext
 from .tokenizer import Tokenizer
 from .tokens import EOS, END, Token
@@ -194,17 +194,7 @@ def _tokenize_variables(self, tokens):
                 yield t
 
     def _split_inline_if(self, statement):
-        statement_end_indices = \
-            [idx for idx, token in
-                enumerate(statement)
-                if token.type in (Token.IF, Token.ELSE_IF, Token.ELSE, Token.KEYWORD)]
-        for pos, idx in enumerate(statement_end_indices):
-            if pos == 0:
-                yield statement[:statement_end_indices[pos+1]]
-            elif pos < len(statement_end_indices) - 1:
-                yield statement[idx:statement_end_indices[pos+1]]
-            else:
-                yield statement[idx:len(statement)]
+        yield from InlineIfLexer.split_statements(statement)
         yield [END.from_token(statement[-1])]
 
     def _is_inline_if(self, statement):