diff --git a/connectivity/source/drivers/hsqldb/StorageNativeInputStream.cxx b/connectivity/source/drivers/hsqldb/StorageNativeInputStream.cxx
index ebf3700c667d..51468b472bd5 100644
--- a/connectivity/source/drivers/hsqldb/StorageNativeInputStream.cxx
+++ b/connectivity/source/drivers/hsqldb/StorageNativeInputStream.cxx
@@ -156,7 +156,7 @@ extern "C" SAL_JNI_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_Stor
                         if (tmpLongVal > std::numeric_limits<sal_Int32>::max() )
                             tmpIntVal = std::numeric_limits<sal_Int32>::max();
                         else // Casting is safe here.
-                            tmpIntVal = static_cast<sal_Int32>(tmpLongVal);
+                            tmpIntVal = static_cast<sal_Int32>(tmpLongVal & 0xFFFFFFFF);
 
                         tmpLongVal -= tmpIntVal;
 
diff --git a/hwpfilter/source/hcode.cxx b/hwpfilter/source/hcode.cxx
index 82930d0ba466..8bb22e06c956 100644
--- a/hwpfilter/source/hcode.cxx
+++ b/hwpfilter/source/hcode.cxx
@@ -450,24 +450,23 @@ static hchar s_hh2kssm(hchar hh)
     if (hh >= HCA_TG)
         return sal::static_int_cast<hchar>(hhtg_tg[hh - HCA_TG]);
     if (idx == 0x1F)
-        hh = hh - 0x1F00 + 0x360;
+        hh = (hh - 0x1F00 + 0x360) & 0xFFFF;
     else
     {
         hh -= HCA_KSS;
         if (hh >= 0x360)
             hh += 0xC0;
     }
-    idx = hh / 0xC0 + 217;
+    idx = (hh / 0xC0 + 217) & 0xFFFF;
     i = hh % 0xC0;
     if (i >= 95)
         i -= 2;
     i += 48;
     if (i >= 127)
         i += 18;
-    return (idx << 8) | i;
+    return ((idx << 8) | i) & 0xFFFF;
 }
 
-
 static hchar lineCharConv(hchar ch)
 {
     int flag;
diff --git a/tools/source/misc/fix16.cxx b/tools/source/misc/fix16.cxx
index 95104bbbb9de..b726acb8f660 100644
--- a/tools/source/misc/fix16.cxx
+++ b/tools/source/misc/fix16.cxx
@@ -70,7 +70,7 @@ fix16_t fix16_mul(fix16_t inArg0, fix16_t inArg1)
             return fix16_overflow;
     }
 
-    fix16_t result = static_cast<fix16_t>(product >> 16);
+    fix16_t result = (product >> 16) & 0xFFFF;
     result += (product & 0x8000) >> 15;
 
     return result;