2 files changed, 3 insertions, 3 deletions
diff --git a/basic/source/sbx/sbxdec.cxx b/basic/source/sbx/sbxdec.cxx
index 8ae493031c0c..cd4566b105b7 100644
--- a/basic/source/sbx/sbxdec.cxx
+++ b/basic/source/sbx/sbxdec.cxx
@@ -127,7 +127,7 @@ bool SbxDecimal::neg()
     return bRet;
 }
 
-bool SbxDecimal::isZero()
+bool SbxDecimal::isZero() const
 {
     SbxDecimal aZeroDec;
     aZeroDec.setLong( 0 );
@@ -310,7 +310,7 @@ bool SbxDecimal::neg()
     return false;
 }
 
-bool SbxDecimal::isZero()
+bool SbxDecimal::isZero() const
 {
     return false;
 }
diff --git a/basic/source/sbx/sbxdec.hxx b/basic/source/sbx/sbxdec.hxx
index ed054642ded9..cfd2290aa517 100644
--- a/basic/source/sbx/sbxdec.hxx
+++ b/basic/source/sbx/sbxdec.hxx
@@ -93,7 +93,7 @@ public:
     bool operator *= ( const SbxDecimal &r );
     bool neg();
 
-    bool isZero();
+    bool isZero() const;
 
     // must match the return values of the Microsoft VarDecCmp Automation function
     enum class CmpResult { LT, EQ, GT };