diff --git a/src/CSelectedOutput.cpp b/src/CSelectedOutput.cpp
index e279ab53..5298f1cb 100644
--- a/src/CSelectedOutput.cpp
+++ b/src/CSelectedOutput.cpp
@@ -168,6 +168,7 @@ int CSelectedOutput::PushBack(const char* key, const CVar& var)
 	catch(...)
 	{
 		ASSERT(false);
+		throw;
 	}
 	return 1; // error
 }
diff --git a/src/IPhreeqc.cpp b/src/IPhreeqc.cpp
index 88a85ab4..4c8565cd 100644
--- a/src/IPhreeqc.cpp
+++ b/src/IPhreeqc.cpp
@@ -112,6 +112,7 @@ VRESULT IPhreeqc::AccumulateLine(const char *line)
 	catch (...)
 	{
 		this->AddError("AccumulateLine: An unhandled exception occured.\n");
+		throw;
 	}
 	return VR_OUTOFMEMORY;
 }
@@ -600,6 +601,7 @@ int IPhreeqc::load_db(const char* filename)
 		{
 			// do nothing
 		}
+		throw;
 	}
 	this->PhreeqcPtr->phrq_io->clear_istream();
 	this->DatabaseLoaded = (this->PhreeqcPtr->get_input_errors() == 0);
@@ -662,6 +664,7 @@ int IPhreeqc::load_db_str(const char* input)
 		{
 			// do nothing
 		}
+		throw;
 	}
 
 	this->PhreeqcPtr->phrq_io->clear_istream();
@@ -750,6 +753,7 @@ int IPhreeqc::RunAccumulated(void)
 		{
 			// do nothing
 		}
+		throw;
 	}
 
 	this->ClearAccumulated = true;
@@ -806,6 +810,7 @@ int IPhreeqc::RunFile(const char* filename)
 		{
 			// do nothing
 		}
+		throw;
 	}
 
 	this->close_output_files();
@@ -854,6 +859,7 @@ int IPhreeqc::RunString(const char* input)
 		{
 			// do nothing
 		}
+		throw;
 	}
 
 	this->close_output_files();
diff --git a/src/IPhreeqcLib.cpp b/src/IPhreeqcLib.cpp
index cae2efb8..b61440ff 100644
--- a/src/IPhreeqcLib.cpp
+++ b/src/IPhreeqcLib.cpp
@@ -1003,7 +1003,7 @@ IPhreeqcLib::CreateIPhreeqc(void)
 		IPhreeqcPtr = new IPhreeqc;
 		n = (int) IPhreeqcPtr->Index;
 	}
-	catch(...)
+	catch (const std::bad_alloc&)
 	{
 		return IPQ_OUTOFMEMORY;
 	}