diff --git a/slither/core/source_mapping/source_mapping.py b/slither/core/source_mapping/source_mapping.py
index d23f4b28a..e271db2c6 100644
--- a/slither/core/source_mapping/source_mapping.py
+++ b/slither/core/source_mapping/source_mapping.py
@@ -94,10 +94,10 @@ def _compute_line(
 
     Not done in an efficient way
     """
-    start_line, starting_column = compilation_unit.core.crytic_compile.get_line_from_offset(
+    start_line, starting_column = compilation_unit.core.crytic_compile.get_line_and_character_from_offset(
         filename, start
     )
-    end_line, ending_column = compilation_unit.core.crytic_compile.get_line_from_offset(
+    end_line, ending_column = compilation_unit.core.crytic_compile.get_line_and_character_from_offset(
         filename, start + length
     )
     return list(range(start_line, end_line + 1)), starting_column, ending_column
diff --git a/slither/utils/source_mapping.py b/slither/utils/source_mapping.py
index 3e2beb764..62f1c3374 100644
--- a/slither/utils/source_mapping.py
+++ b/slither/utils/source_mapping.py
@@ -27,11 +27,11 @@ def get_definition(target: SourceMapping, crytic_compile: CryticCompile) -> Sour
 
     start_offset = txt.find(pattern) + 1  # remove the space
 
-    starting_line, starting_column = crytic_compile.get_line_from_offset(
+    starting_line, starting_column = crytic_compile.get_line_and_character_from_offset(
         target.source_mapping.filename, target.source_mapping.start + start_offset
     )
 
-    ending_line, ending_column = crytic_compile.get_line_from_offset(
+    ending_line, ending_column = crytic_compile.get_line_and_character_from_offset(
         target.source_mapping.filename, target.source_mapping.start + start_offset + len(pattern)
     )